package com.zhuchang.self_rpc.test.democoding.nettydemo;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;

import java.time.LocalDate;
import java.time.LocalDateTime;

/**
 * @Author RenPu
 * @Date 2022/2/12 11:05
 * @Version 1.0
 * @Description:
 **/
public class MyTextWebSocketFrameHandler extends SimpleChannelInboundHandler<TextWebSocketFrame> {

//这里 TextWebSocketFrame 类型，表示一个文本帧(frame)

    @Override
    protected void channelRead0(ChannelHandlerContext channelHandlerContext, TextWebSocketFrame textWebSocketFrame) throws Exception {

        System.out.println("服务端收到消息："+textWebSocketFrame.text());

        //回复消息
        channelHandlerContext.channel().writeAndFlush(new TextWebSocketFrame("服务器时间"+ LocalDateTime.now()+textWebSocketFrame.text()));

    }

    @Override
    public void handlerAdded(ChannelHandlerContext ctx) throws Exception {

        System.out.println("handlerAdded  被调用："+ctx.channel().id().asLongText());   //Longid值唯一
        System.out.println("handlerAdded  被调用: "+ctx.channel().id().asShortText());  //Shortid不唯一




    }

    @Override
    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
        System.out.println("handlerRemoved 被调用："+ctx.channel().id().asLongText());
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        System.out.println("异常发生原因："+cause.getMessage());
        ctx.close();
    }
}
